Design & Engineering of Refrigeration Systems
From Concept to Efficient Refrigeration System—Your Experts for Custom Solutions
At cold.world Engineering, we guide you every step of the way—from the initial concept to the successful commissioning of your refrigeration system. As a specialized engineering firm, we develop energy-efficient solutions using natural refrigerants that are precisely tailored to your needs.
An Overview of Our Engineering Services
1. Needs Assessment & Concept Development
Let’s start by asking the right questions:
- How much cooling capacity do you actually need?
- What temperature levels must be reached?
- How are your business processes structured?
- What expansions are planned for the medium term?
- Are there synergies for heat recovery?
Our result: A well-founded set of specifications that serves as the basis for further planning and minimizes the need for later changes.
2. Refrigerant Selection & System Design
We analyze which natural refrigerant is best suited for your project:
NH3 (Ammonia R717)
- Ideal for large industrial facilities
- Maximum Energy Efficiency
- Proven in Logistics & Food Production
- We plan safety measures in accordance with BetrSichV and DGUV
CO2 (R744)
- Perfect for logistics centers and supermarkets
- Excellent for deep-freezing at temperatures below -30°C
- Integrated heat recovery is possible
- Future-proof thanks to the lowest GWP
Propane (R290) & others
- For small to medium-sized applications
- Flexible Applications
- Compact design
Chilled Water Systems
- For Building Cooling & Process Applications
- Can be combined with heat pumps
- Centralized or Decentralized Supply
3. Detailed Planning & Design
Thermodynamic Calculation
- Precise Sizing of Compressors, Condensers, and Evaporators
- Simulation of Various Operating Conditions
- Partial-Load Behavior & Control Strategies
- Consideration of Environmental Conditions
Hydraulic Design
- Piping Sizing According to VDI 2078
- Pressure Loss Calculation
- Optimization of Flow Velocities
- Preventing delayed boiling and oil backflow problems
Electrical Design
- Power Requirements Assessment
- Switchgear Designs
- Integration into existing infrastructure
4. Energy Efficiency & Sustainability
We are committed to maximum efficiency:
- Highly Efficient Compressor Technology (Screw, Piston, and Turbo Compressors)
- Optimized Heat Exchangers with Large Surface Areas
- Frequency converters for demand-based control
- Free cooling whenever possible (Free Cooling)
Integrating heat recovery:
- Using Waste Heat for Heating (up to 1 MW+)
- Hot Water Supply
- Process Heat for Production
- Snow removal, floor heating
Measurable benefits:
- 20–40% lower operating costs compared to conventional systems
- ROI typically achieved after 3–7 years
- Up to 60% reduction in CO2 emissions
5. Permitting Planning & Documentation
We’ll take care of all the documentation:
- Building Applications and Building Permits
- Inspection Logs in Accordance with BetrSichV
- Explosion Protection Documents (for NH3)
- Fire Safety Plans
- Sound Insulation Calculations
- Structural Analysis for Roof Structures
Complete project documentation:
- R&I Process Flow Diagrams (P&IDs)
- Hydraulic Diagrams
- Electrical Schematics
- 3D CAD Models (Collision Detection)
- Piping Isometrics
- Parts Lists & Data Sheets
6. Solicitation & Award
We ensure competition and transparency:
- Specifications in accordance with VOB/VOL
- Technical Specifications
- Vendor Qualification Review
- Comparison of Offers & Reviews
- Negotiation Support
- Contract Drafting
Your benefit: Optimal value for money thanks to genuine competition
7. Construction Management & Supervision
We keep track of everything:
- Coordination of all trades
- On-site Quality Control
- Tracking Deadlines & Costs
- Construction Defect Claims
- Documentation of Construction Progress
- Acceptance Reports
8. Commissioning & Optimization
The crucial step:
- Systematic Commissioning Checklists
- Functional tests of all components
- Control Optimization & Fine-Tuning
- Performance Measurements & Proof of Efficiency
- Employee Training
- 24-hour hotline during the critical initial phase
Why cold.world Engineering?
✓ Specializes in natural refrigerants
Over 50 completed projects using NH3, CO2, and other natural refrigerants. We understand the challenges and opportunities based on real-world experience.
✓ Vendor-neutral advice
We are not tied to any particular manufacturer and always choose the best solution for your project—not the one that is most profitable for us.
✓ Holistic Approach
From design to operational optimization—everything from a single source. No loss of data at interfaces, clear lines of responsibility.
✓ Focus on Energy Efficiency
Our systems are not only environmentally friendly, but also make good economic sense. Low operating costs over their entire service life.
✓ Expertise in grants and funding
We are familiar with all relevant grant programs and will assist you with the application process. Grants of up to 55% are available.
Schedule an Initial Consultation
Schedule a free initial consultation now.